“The Playroom” is produced by Stephen Dyer (“Hysteria”) and Angie Meyer of Ten96 Films. Shooting’s under way in Dallas.

Parker and Hawkes, who worked together on “Deadwood,” are portraying suburban parents of four in 1975. Their volatile teenage daughter, played by Olivia Harris, acts as surrogate mother to the younger children, who have created a make-believe world in their attic hideaway while the parents act out a sordid story below.

Hawkes has been shooting Steven Soderbergh’s “Contagion” and appears in “Martha Marcy May Marlene” and “Higher Ground,” both in competition at Sundance. Parker’s the star of Lifetime pilot “Meet Jane” and will next be seen in “Trigger,” “That’s What I Am” and “Oliver Sherman.”

The Dyers’ first film, “Late Bloomers,” premiered in competition at Sundance and was acquired by Strand for domestic release while Alliance Atlantis took foreign.